... mean!Starting from the center of the sun we have the core, the radiative zone, the convective zone, the photosphere, the chromosphere, and the corona. The core The core of the sun possesses two ... the position of the sunchanges relative to the time of the day, and also, thatthat position is further influenced by the time of the year.How the position of the sun changes over the day The ... come either directly or indirectly from the sunat one point or another.12 The Solar ResourceFigure 2-4 The sun and seasons.GAVIN D. J. HARPERSolar Energy Projects for the Evil Genius New...